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OpenAdvisories
High ALSA-2025:15785 5 CVEs

Important: kernel security update

Published Sep 15, 2025 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: net: usb: smsc75xx: Limit packet length to skb->len (CVE-2023-53125)
* kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)
* kernel: idpf: convert control queue mutex to a spinlock (CVE-2025-38392)
* kernel: drm/gem: Acquire references on GEM handles for framebuffers (CVE-2025-38449)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 25

ReleasePackageFixed in
AlmaLinux · 8 bpftool 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-abi-stablelists 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-core 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-cross-headers 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-debug 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-debug-core 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-debug-devel 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-debug-modules 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-debug-modules-extra 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-devel 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-doc 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-headers 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-modules 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-modules-extra 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-tools 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-tools-libs 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-tools-libs-devel 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-zfcpdump 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-core 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-devel 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules 4.18.0-553.75.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules-extra 4.18.0-553.75.1.el8_10
AlmaLinux · 8 perf 4.18.0-553.75.1.el8_10
AlmaLinux · 8 python3-perf 4.18.0-553.75.1.el8_10

Vulnerabilities 5

  • High 7.8
    CVE-2025-38350

    net/sched: Always pass notifications when child class becomes empty

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38449

    drm/gem: Acquire references on GEM handles for framebuffers

    In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2023-53125

    net: usb: smsc75xx: Limit packet length to skb->len

    In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb->len Packet length retrieved from skb data may be larger than the actual socket buffer length (up to 9026 bytes). In such case the cloned skb pa…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-38392

    idpf: convert control queue mutex to a spinlock

    In the Linux kernel, the following vulnerability has been resolved: idpf: convert control queue mutex to a spinlock With VIRTCHNL2_CAP_MACFILTER enabled, the following warning is generated on module load: [ 324.701677] BUG: sleeping function called from inval…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-38684

    net/sched: ets: use old 'nbands' while purging unused classes

    In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported sch_ets test-case [1] crashing in ets_class_qlen_notify() after recent changes from Lion [2]. The problem is: in …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-53125
  • report
    https://access.redhat.com/security/cve/CVE-2025-38350
  • report
    https://access.redhat.com/security/cve/CVE-2025-38392
  • report
    https://access.redhat.com/security/cve/CVE-2025-38449
  • report
    https://bugzilla.redhat.com/2363686
  • report
    https://bugzilla.redhat.com/2382054
  • report
    https://bugzilla.redhat.com/2383407
  • report
    https://bugzilla.redhat.com/2383519
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-15785.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2025-38684.html